article thumbnail

Feral Cats Are An Invasive Species in North America (and elsewhere)

10,000 Birds

And for rodents and reptiles as well. And for thousands of years the lizards, rodents, and birds of North America adapted to Fishers, Badgers, Wolverines, Ermines, etc. This means that they eat a lot of rodents and birds. We estimate that free-ranging domestic cats kill 1.4–3.7 Let me tell you this: They are.